Lionhearted Locomotive [DRLG-EN036] Super Rare Synchro/Tuner Monster Set: Secrets of Eternity Card

Set: Secrets of Eternity Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2700 Defense: 2000 3 or more Level 5 LIGHT monsters During your Main Phase 2

You can only use this effect of "Doomdog Octhros" once per turn

add 1 monster with the same name as that card from your Deck to your hand

the field is treated as "Necrovalley"

Lionhearted Locomotive [DRLG-EN036] Super Rare Synchro/Tuner Monster Set: Secrets of Eternity CardSet: Dragons of Legend Card type: Effect Monster Rarity: Super Rare Attack: 2400 Defense: 2100 When this card declares an attack: Its ATK becomes half its original ATK until the end of the Damage Step.